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Re: [equinox-dev] Logging, exceptions, and the UserAdmin service


In answer to your question #2, Declarative Services logs to the LogService in all of those cases.  I'm pretty sure that BundleActivator start() and stop() go to LogService as well.  Try running with -console and using the "log" console command.

Regards,
Roy

-----------------------------------------
Roy Paterson
IBM Pervasive Computing
Austin, TX
Phone: (512) 838-8898



"Ron Baldwin" <Ron.Baldwin@xxxxxxxxxxxxxxx>
Sent by: equinox-dev-bounces@xxxxxxxxxxx

02/01/2006 04:29 PM

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Subject
[equinox-dev] Logging, exceptions, and the UserAdmin service





Hi,

I have a few issues that I'm having difficulty finding information on.
I would appreciate any assistance or pointers to documentation.

1. Do messages logged with org.eclipse.equinox.log get persisted to disk
anywhere, or do you have to have a listener to get them?  If a listener
is required, what's the best practices way of making sure your listener
is running before log messages are generated?
2. Do errors get logged somewhere when a BundleActivator start() or
stop() method throws an exception?  Also, I'm not seeing any errors when
the activate() and deactivate() methods for declarative services throw,
or when an activator.xml file is malformed.  Instead everything just
fails silently.
3. I'm trying to use org.eclipse.equinox.useradmin which requires me to
load org.eclipse.equinox.preferences and org.eclipse.equinox.registry.
Although all show as active in the console, I can't get a reference to
the UserAdmin service which I'm guessing is due to the log messages (see
below) generated on start up.  What am I missing here?

Thanks in advance,
Ron


!SESSION 2006-02-01 16:14:38.501
-----------------------------------------------
eclipse.buildId=unknown
java.version=1.5.0_06
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_US
Command-line arguments:  -dev
file:D:/Dev/Users/Rbaldwin/Eclipse/workspace/.metadata/.plugins/org.ecli
pse.pde.core/OSGi testing/dev.properties -console -os win32 -ws win32
-arch x86

!ENTRY org.eclipse.osgi 4 0 2006-02-01 16:14:39.689
!MESSAGE An unexpected runtime error has occurred.
!STACK 0
java.lang.NullPointerException
                at
org.eclipse.core.internal.preferences.PreferencesService.getPrefExtensio
ns(PreferencesService.java:1134)
                at
org.eclipse.core.internal.preferences.PreferencesService.initializeScope
s(PreferencesService.java:91)
                at
org.eclipse.core.internal.preferences.PreferencesService.<init>(Preferen
cesService.java:170)
                at
org.eclipse.core.internal.preferences.PreferencesService.getDefault(Pref
erencesService.java:83)
                at
org.eclipse.core.internal.preferences.Activator.registerServices(Activat
or.java:74)
                at
org.eclipse.core.internal.preferences.Activator.addingService(Activator.
java:80)
                at
org.osgi.util.tracker.ServiceTracker$Tracked.trackAdding(ServiceTracker.
java:1011)
                at
org.osgi.util.tracker.ServiceTracker$Tracked.track(ServiceTracker.java:9
89)
                at
org.osgi.util.tracker.ServiceTracker$Tracked.serviceChanged(ServiceTrack
er.java:917)
                at
org.eclipse.osgi.framework.internal.core.FilteredServiceListener.service
Changed(FilteredServiceListener.java:71)
                at
org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent
(BundleContextImpl.java:1219)
                at
org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventMana
ger.java:189)
                at
org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchrono
us(ListenerQueue.java:141)
                at
org.eclipse.osgi.framework.internal.core.Framework.publishServiceEventPr
ivileged(Framework.java:1530)
                at
org.eclipse.osgi.framework.internal.core.Framework.publishServiceEvent(F
ramework.java:1505)
                at
org.eclipse.osgi.framework.internal.core.ServiceRegistrationImpl.<init>(
ServiceRegistrationImpl.java:103)
                at
org.eclipse.osgi.framework.internal.core.BundleContextImpl.createService
Registration(BundleContextImpl.java:649)
                at
org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerServi
ce(BundleContextImpl.java:601)
                at
org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerServi
ce(BundleContextImpl.java:667)
                at
org.eclipse.core.internal.registry.osgi.Activator.startRegistry(Activato
r.java:110)
                at
org.eclipse.core.internal.registry.osgi.Activator.start(Activator.java:5
4)
                at
org.eclipse.osgi.framework.internal.core.BundleContextImpl$2.run(BundleC
ontextImpl.java:994)
                at java.security.AccessController.doPrivileged(Native Method)
                at
org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivato
r(BundleContextImpl.java:988)
                at
org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleC
ontextImpl.java:969)
                at
org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHo
st.java:316)
                at
org.eclipse.osgi.framework.internal.core.AbstractBundle.resume(AbstractB
undle.java:328)
                at
org.eclipse.osgi.framework.internal.core.Framework.resumeBundle(Framewor
k.java:1041)
                at
org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles
(StartLevelManager.java:573)
                at
org.eclipse.osgi.framework.internal.core.StartLevelManager.incFWSL(Start
LevelManager.java:495)
                at
org.eclipse.osgi.framework.internal.core.StartLevelManager.doSetStartLev
el(StartLevelManager.java:275)
                at
org.eclipse.osgi.framework.internal.core.StartLevelManager.dispatchEvent
(StartLevelManager.java:455)
                at
org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventMana
ger.java:189)
                at
org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventMa
nager.java:291)

!ENTRY org.eclipse.equinox.preferences 4 0 2006-02-01 16:14:39.704
!MESSAGE FrameworkEvent.ERROR
!STACK 0
java.lang.NullPointerException
                at
org.eclipse.core.internal.preferences.PreferencesService.getPrefExtensio
ns(PreferencesService.java:1134)
                at
org.eclipse.core.internal.preferences.PreferencesService.initializeScope
s(PreferencesService.java:91)
                at
org.eclipse.core.internal.preferences.PreferencesService.<init>(Preferen
cesService.java:170)
                at
org.eclipse.core.internal.preferences.PreferencesService.getDefault(Pref
erencesService.java:83)
                at
org.eclipse.core.internal.preferences.Activator.registerServices(Activat
or.java:74)
                at
org.eclipse.core.internal.preferences.Activator.addingService(Activator.
java:80)
                at
org.osgi.util.tracker.ServiceTracker$Tracked.trackAdding(ServiceTracker.
java:1011)
                at
org.osgi.util.tracker.ServiceTracker$Tracked.track(ServiceTracker.java:9
89)
                at
org.osgi.util.tracker.ServiceTracker$Tracked.serviceChanged(ServiceTrack
er.java:917)
                at
org.eclipse.osgi.framework.internal.core.FilteredServiceListener.service
Changed(FilteredServiceListener.java:71)
                at
org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent
(BundleContextImpl.java:1219)
                at
org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventMana
ger.java:189)
                at
org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchrono
us(ListenerQueue.java:141)
                at
org.eclipse.osgi.framework.internal.core.Framework.publishServiceEventPr
ivileged(Framework.java:1530)
                at
org.eclipse.osgi.framework.internal.core.Framework.publishServiceEvent(F
ramework.java:1505)
                at
org.eclipse.osgi.framework.internal.core.ServiceRegistrationImpl.<init>(
ServiceRegistrationImpl.java:103)
                at
org.eclipse.osgi.framework.internal.core.BundleContextImpl.createService
Registration(BundleContextImpl.java:649)
                at
org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerServi
ce(BundleContextImpl.java:601)
                at
org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerServi
ce(BundleContextImpl.java:667)
                at
org.eclipse.core.internal.registry.osgi.Activator.startRegistry(Activato
r.java:110)
                at
org.eclipse.core.internal.registry.osgi.Activator.start(Activator.java:5
4)
                at
org.eclipse.osgi.framework.internal.core.BundleContextImpl$2.run(BundleC
ontextImpl.java:994)
                at java.security.AccessController.doPrivileged(Native Method)
                at
org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivato
r(BundleContextImpl.java:988)
                at
org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleC
ontextImpl.java:969)
                at
org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHo
st.java:316)
                at
org.eclipse.osgi.framework.internal.core.AbstractBundle.resume(AbstractB
undle.java:328)
                at
org.eclipse.osgi.framework.internal.core.Framework.resumeBundle(Framewor
k.java:1041)
                at
org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles
(StartLevelManager.java:573)
                at
org.eclipse.osgi.framework.internal.core.StartLevelManager.incFWSL(Start
LevelManager.java:495)
                at
org.eclipse.osgi.framework.internal.core.StartLevelManager.doSetStartLev
el(StartLevelManager.java:275)
                at
org.eclipse.osgi.framework.internal.core.StartLevelManager.dispatchEvent
(StartLevelManager.java:455)
                at
org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventMana
ger.java:189)
                at
org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventMa
nager.java:291)
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